Look up the law of sines, I suggest Khan Academy. It is better if you know how to do it, it is very useful.
1. (x+2)(x-2)(x+2)(x-2)
3. (16x+3)(16x-3)
The first equation is 1x + 1y = 8, satisfied by all four answers.
The second equation is 2x+3y =36; checking we find
2(-12)+3(20) = -24+60 = 36
Choice C
Answer:
He caught 392 fish last month.
Step-by-step explanation:
If you do how many fish (28) he caught each time multiplied by how many times, you get 14. So do 14x28=392 fish last month.
<span>2n^3-n^2-136 :Equation:
Substitute 0 for n
</span> Simplify {20}^{3}<span> to </span><span>8000
</span>
<span>8000−<span>0<span><span>^2</span><span></span></span></span>−136
</span> Simplify <span>{0}^{2}<span></span></span><span> to </span><span>0
</span><span><span>8000−0−136
= 7864</span></span><span>
</span>